ATMEGA16U4-MU Atmel, ATMEGA16U4-MU Datasheet - Page 431

• Manufacturer Part Number: ATMEGA16U4-MU
• Description: MCU AVR 16K FLASH 16MHZ 44-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA16U4-MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 26
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-VQFN
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ATMEGA16U4-16MU; ATMEGA16U4-16MU

7766F–AVR–11/10
29 Electrical Characteristics .................................................................... 378
30 Typical Characteristics ........................................................................ 386
31 Register Summary ............................................................................... 408
32 Instruction Set Summary .................................................................... 412
33 Ordering Information ........................................................................... 415
34 Packaging Information ........................................................................ 417
35 Errata ..................................................................................................... 419
28.6Parallel Programming ..........................................................................................352
28.7Serial Downloading .............................................................................................360
28.8Serial Programming Pin Mapping ........................................................................361
28.9Programming via the JTAG Interface ..................................................................365
29.1Absolute Maximum Ratings* ...............................................................................378
29.2DC Characteristics ..............................................................................................378
29.3External Clock Drive Waveforms .........................................................................380
29.4External Clock Drive ............................................................................................380
29.5Maximum speed vs. V
29.62-wire Serial Interface Characteristics .................................................................381
29.7SPI Timing Characteristics ..................................................................................383
29.8Hardware Boot EntranceTiming Characteristics ..................................................384
30.1Active Supply Current ..........................................................................................386
30.2Idle Supply Current ..............................................................................................389
30.3Power-down Supply Current ...............................................................................391
30.4Power-save Supply Current ................................................................................392
30.5Pin Pull-Up ..........................................................................................................393
30.6Pin Driver Strength ..............................................................................................394
30.7Pin Threshold and Hysteresis .............................................................................397
30.8BOD Threshold ....................................................................................................400
30.9Internal Oscilllator Speed ....................................................................................402
30.10Current Consumption of Peripheral Units ..........................................................405
30.11Current Consumption in Reset and Reset Pulsewidth ......................................407
33.1ATmega16U4 ......................................................................................................415
33.2ATmega32U4 ......................................................................................................416
34.1TQFP44 ...............................................................................................................417
34.2QFN44 .................................................................................................................418
CC ............................................................................................................................. 380
ATmega16/32U4
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